MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0dbca73c9e5736a9bfc7f29f76f664ee6dd7cc6ce741b1aeca7a4ecf408feaa3. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Mirai


Vendor detections: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 0dbca73c9e5736a9bfc7f29f76f664ee6dd7cc6ce741b1aeca7a4ecf408feaa3
SHA3-384 hash: bb886fe5cfc80b59ecb3e382f4b561672925c8175c2049fbd7f5f6d61491938059785a900fc219e4ea4cfce5e50f3f4a
SHA1 hash: d9b6c88b945a9d74ac9461388593854cede72f1e
MD5 hash: 64ce3605487d06b3035373be4e88bd0b
humanhash: london-carbon-oklahoma-quiet
File name:b2
Download: download sample
Signature Mirai
File size:181'612 bytes
First seen:2025-02-21 03:12:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:BHsZIoJlL6tmfKqWLXQWCCofd7iT/XkEl+3vhjtRLJU0hph6zBJZo+uchxxWz:BHsZdsgCofd7AzBlhxx
TLSH T137040F6AAB715EB7EC0ECD3301994502518D925E92DE2F6FFAA4C118E38BD0F45E3D84
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
97
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Collects information on the network activity
Creating a file
Kills processes
Receives data from a server
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
obfuscated
Result
Verdict:
UNKNOWN
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1620611 Sample: b2.elf Startdate: 21/02/2025 Architecture: LINUX Score: 52 38 185.222.31.34, 3012, 51474, 51476 REDSERVICIOES Spain 2->38 40 109.202.202.202, 80 INIT7CH Switzerland 2->40 42 4 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 10 b2.elf 2->10         started        13 xfce4-panel wrapper-2.0 2->13         started        15 xfce4-panel wrapper-2.0 2->15         started        17 5 other processes 2->17 signatures3 process4 signatures5 50 Sample tries to kill multiple processes (SIGKILL) 10->50 19 b2.elf 10->19         started        21 wrapper-2.0 xfpm-power-backlight-helper 13->21         started        process6 process7 23 b2.elf 19->23         started        signatures8 48 Sample tries to kill multiple processes (SIGKILL) 23->48 26 b2.elf 23->26         started        28 b2.elf 23->28         started        31 b2.elf 23->31         started        33 b2.elf 23->33         started        process9 signatures10 35 b2.elf 26->35         started        52 Sample tries to kill multiple processes (SIGKILL) 28->52 process11 signatures12 46 Sample tries to kill multiple processes (SIGKILL) 35->46
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2025-02-21 03:13:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9441505-0
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 0dbca73c9e5736a9bfc7f29f76f664ee6dd7cc6ce741b1aeca7a4ecf408feaa3

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments